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    Dilution Series

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    1. If the original culture contains 5 x 10 ^9 cfu/ml, how many cfu/ml are in each tube? How many colonies are on each plate?

    2. If tube C contains 60,000 cfu/ml, how many cfu/ml are in the original culture, how many cfu/ml are in the other tubes, and how many colonies are on each plate?

    3. How would you inoculate a plate to obtain a 1:100 dilution?

    4. How would you inoculate a plate to obtain a 1:50 dilution?

    © BrainMass Inc. brainmass.com May 20, 2020, 3:13 pm ad1c9bdddf
    https://brainmass.com/biology/human-biology/dilution-series-118472

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    1. See attachment. For plates the quantity of cfu or colony forming units is the amount of colonies that will form.

    2. If C= 5x10^9 cfu/ml and ...

    Solution Summary

    Detailed explanation of how a specific dilution series is made and answers to questions pertaining to it.

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